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National Payments Corporation of India QA Engineer Interview Questions and Answers
National Payments Corporation of India QA Engineer Interview Experiences
1 interview found
Anonymous
Selected
(3 Questions)
- Q1. Basic Knowledge of SDLC, Testing and its type, Automation using appium, Api-testing related question and some basic java questions
- Q2. 1. Write a program to reverse a number.
- Ans.
Program to reverse a number by converting it to a string and then reversing the string.
Convert the number to a string
Reverse the string
Convert the reversed string back to a number
- Q3. 2. Hash set implementation.
- Ans.
Hash set is a data structure that stores unique elements using a hash function for efficient retrieval.
Hash set does not allow duplicate elements.
It uses a hash function to map elements to unique indexes in an array.
Common operations include add, remove, and contains.
Example: HashSet<String> set = new HashSet<>(); set.add("apple"); set.add("banana");
Example: if(set.contains("apple")) { System.out.println("F
(1 Question)
- Q1. Basic questions and how I manage things in my project
Top trending discussions
Interview questions from similar companies
I applied via Naukri.com and was interviewed in Jan 2022. There were 2 interview rounds.
(1 Question)
- Q1. SQL: Diff bw RDBMS and DBMS,primary key and foriegn key,Joins, basic queies Manual: Agile methodology,Types of testing,black box testing,white box testing,System testing,Smoke testing,test case template,De...
(1 Question)
- Q1. Same quetions asked in Round 2.
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed before Oct 2022. There were 3 interview rounds.
Reverse the string using java
(2 Questions)
- Q1. - type of testing - SDLC and STLC - bug life cycle
- Ans.
Types of testing include functional, non-functional, manual, automated, etc. SDLC involves planning, designing, coding, testing, and maintenance. STLC involves test planning, test design, test execution, and test closure. Bug life cycle includes new, assigned, open, fixed, retested, closed, and reopened stages.
Types of testing: functional, non-functional, manual, automated, etc.
SDLC stages: planning, designing, coding,...
- Q2. SDLC and STLC cycle explain
- Ans.
SDLC (Software Development Life Cycle) is the process of developing software, while STLC (Software Testing Life Cycle) is the process of testing the software.
SDLC involves planning, designing, coding, testing, and deployment of software.
STLC involves test planning, test design, test execution, and test closure.
SDLC focuses on the development of software, while STLC focuses on ensuring the quality of the software.
SDLC i...
Interview Preparation Tips
- Core Java
- Selenium
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Dec 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Job processes
Interview Preparation Tips
I applied via Job Portal and was interviewed in Apr 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Basic js concepts
Interview Preparation Tips
I applied via Company Website and was interviewed before Jun 2021. There were 2 interview rounds.
(1 Question)
- Q1. Machine learning and Java programming questions
Interview Preparation Tips
Interview Questionnaire
6 Questions
- Q1. Strings
- Q2. Java 8 features like lamba expressions stream API
- Q3. Collections
- Q4. Autoboxing and Unboxing
- Q5. Generics
- Q6. String manipulation problems
- Ans.
String manipulation problems involve modifying or analyzing strings of characters.
Use built-in string methods like substring, replace, and split.
Regular expressions can be powerful tools for pattern matching and manipulation.
Be mindful of edge cases like empty strings and null values.
Consider the time and space complexity of your solution.
Practice with coding challenges on websites like LeetCode and HackerRank.
Skills evaluated in this interview
What is the difference between a HashMap and a ConcurrentHashMap?
I applied via Company Website and was interviewed before Aug 2023. There were 3 interview rounds.
(1 Question)
- Q1. Count frequency of Characters
- Ans.
Count frequency of characters in a given string.
Iterate through each character in the string
Use a hashmap to store the count of each character
Return the hashmap with character frequencies
(1 Question)
- Q1. API, SQL, Springboot, Microservices, Docker
(1 Question)
- Q1. Casual HR questions on salary
Skills evaluated in this interview
(2 Questions)
- Q1. Asked me to introduce my self.
- Q2. Why do you think you are an ideal candidate for the job.
- Ans.
I have a strong background in the industry, relevant experience, and a proven track record of success.
I have X years of experience in the industry
I have successfully completed similar projects in the past
I possess the necessary skills and qualifications for the job
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